Home / 3,106,678.72-4,660,549.44-1,423,926.40

Finding the Fourth Proportional to 3,106,678.72, 4,660,549.44 and 1,423,926.40

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Solution

The fourth proportional to 3,106,678.72, 4,660,549.44 and 1,423,926.40 is: 2,136,133.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106,678.72 : 4,660,549.44 = 1,423,926.40 : x
  2. Step 2: Convert to fraction form
    3,106,678.72/4,660,549.44 = 1,423,926.40/x
  3. Step 3: Cross multiply
    3,106,678.72x = 4,660,549.44 × 1,423,926.40
  4. Step 4: Simplify right side
    3,106,678.72x = 6,636,279,386,121.22
  5. Step 5: Solve for x
    x = 6,636,279,386,121.22/3,106,678.72
  6. Step 6: Final answer
    x = 2,136,133.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.